If your Excel lists repeats values and you need help finding changes, try this easy conditional format. One of the most frequent requests I receive from readers is how to highlight list values when ...

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria. Filters are a ...

The needful can be achieved using the COUNTIF function. You could either count the frequency of duplicates in Excel or the order of their occurrence in Excel. Count the frequency of duplicate values ...

The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...

If you use simple copy and paste methods to duplicate an Excel drop-down list, you may discover a problem; when you copy a cell that has a drop-down list and press "Ctrl-V" to paste it into a new cell ...

Although Excel 2013 offers many options for performing calculations in new cells using data from existing cells, sometimes you want to work on data in the original cells. As an example, you might have ...

When creating Microsoft Excel formulas, you can generate calculations using specific values—also known as hard-coding—or referencing other cells in the workbook. In this guide, I'll explain why ...